Latest Update - (Latest Update) Biochemistry | Questions & Answers

CHEM210 / CHEM 210 Module 3:

(Latest Update 2025 / 2026) Biochemistry | Questions & Answers | Grade A | 100% Correct - Portage Learning

Question:

The following secondary structure shown below is an example of an alpha helix.

Answer:

true

• / 4

Question:

True or False: The following secondary structure shown below is an example

of a beta-turn.

Answer:

false

Question:

True or False. The side chain of proline is bonded to the backbone nitrogen atom.

Answer:

true

Question:

True or False. The side chain of histidine is bonded to the backbone nitrogen atom

Answer:

false

• / 4

Question:

True or False: An inhibitor that binds at the active site is a coenzyme

Answer:

false

Question:

True or False: The name of the molecule that binds to an enzyme is called the

ligand.

Answer:

false

Question:

The name of the molecule that binds to an enzyme is called the holoenzyme.

Answer:

false

Question:

Which amino acids both have an R group (side chain) with an -OH functional group?

Answer:

Ser and Thr 3 / 4

Question:

The peptide Ala-Glu-Gly-Ala has ______ .

Answer:

• peptide bonds

Question:

The peptide Ala-Glu-Gly-Ala-Leu-Arg has ______

• A disulfide bond
• Five peptide bonds
• Four peptide bonds
• A proline residue
• No C-terminus

Answer:

• Five peptide bonds

Question:

Which of the following correctly matches the amino acid with its one letter abbreviation?

Answer:

Glutamic acid, E

• / 4